// SwiftZip -- Swift wrapper for libzip
//
// Copyright (c) 2019-2020 Victor Pavlychko
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

import Foundation
import zip

extension Optional {
    internal func unwrapped(or error: @autoclosure () -> Error) throws -> Wrapped {
        switch self {
        case let .some(value):
            return value
        case .none:
            throw error()
        }
    }

    internal func unwrapped(or error: @autoclosure () -> zip_error) throws -> Wrapped {
        switch self {
        case let .some(value):
            return value
        case .none:
            throw ZipError.libzipError(error())
        }
    }

    internal func unwrapped(function: StaticString = #function, file: StaticString = #filePath, line: Int = #line) throws -> Wrapped {
        switch self {
        case let .some(value):
            return value
        case .none:
            assertionFailure("Unexpected `nil` when unwrapping value in `\(function)` at `\(file):\(line)`")
            throw ZipError.internalInconsistency
        }
    }

    internal func forceUnwrap(function: StaticString = #function, file: StaticString = #filePath, line: Int = #line) -> Wrapped {
        switch self {
        case let .some(value):
            return value
        case .none:
            preconditionFailure("Unexpected `nil` when unwrapping value in `\(function)` at `\(file):\(line)`")
        }
    }
}
